Photo courtesy PDPhoto.org Flowering plants, also called angiosperms, are the most numerous of all the divisions in the Plant Kingdom. The parts of a flowering plant are characterized ... Read More

Aegean wall lizard Credit: Johannes Foufopoulos Did you know that some lizards have the ability to quickly shed their tail when under attack from a predator? Researchers had ... Read More

Sex chromosome abnormalities occur as a result of chromosome mutations brought on by mutagens (like radiation) or problems that occur during meiosis. One type of mutation is caused by chromosome ... Read More

We all know how harmful tobacco products can be, so it seems a little strange to think that tobacco could possibly have medicinal benefits. Researchers are creating genetically modified tobacco ... Read More

Papillomavirus Credit: Linda M. Stannard, University of Cape Town Scientists have long sought to uncover the structure and function of viruses. Viruses are unique in that they have ... Read More

Everyone knows that kids love sweets. Researchers now say that there is a biological basis for why younger kids desire sweets. When younger kids experience a rapid increase in growth ... Read More

Heart image courtesy of MedValet The cardiac cycle is the cycle of events that occurs as the heart contracts. The cardiac cycle consists of two phases, the diastole ... Read More

Cluster of HalobacteriaImage Credit: NASA Archaea are a group of microscopic organisms that were discovered in the early 1970s. Like bacteria, they are single-celled prokaryotes. Archaeans were originally ... Read More

Sand Dunes Photo courtesy PDPhoto.org Deserts are dry areas that experience extremely small amounts of rainfall. One of the biggest misconceptions about deserts is that they are all ... Read More

Scientific studies have shown that green tea has several health benefits and may even help prevent cancer and improve heart health. Now researchers claim that green tea can also improve ... Read More

E. coli bacterium © Dennis Kunkel Bacteria are prokaryotic organisms that reproduce asexually. Bacterial cells typically contain the following structures: cell wall, cell membrane, cytoplasm, ribosomes, plasmids, flagella, ... Read More

The cerebral cortex is the outermost layer of the cerebrum. It is divided into four main lobes or regions. These lobes are called the frontal lobes, occipital lobes, parietal ... Read More

Photo credit: Gray's Anatomy The frontal lobe is a region of the cerebral cortex of the brain that is responsible for decision-making, problem solving, and planning. Researchers have ... Read More